Merge pull request #380 from capocchi/version-5.1

bug fix

Author: capocchi

devsimpy/DEVSKernel/Strategies.py

@@ -46,7 +46,16 @@
 
 		### for py 3.X
 		import importlib
-		exec("%s = importlib.import_module('DEVSKernel%s.DEVS')"%(pydevs_dir,d))
+		# Try importing as top-level package (DEVSKernel...), otherwise
+		# fallback to package-qualified name (devsimpy.DEVSKernel...)
+		modname = f"DEVSKernel{d}.DEVS"
+		try:
+			module = importlib.import_module(modname)
+		except ModuleNotFoundError:
+			fallback = f"devsimpy.DEVSKernel{d}.DEVS"
+			module = importlib.import_module(fallback)
+		# expose under the expected name (PyDEVS, KafkaDEVS, ...)
+		globals()[pydevs_dir] = module
 
 
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